UCE-3.3/30-D48NB-C Murata Power Solutions Inc, UCE-3.3/30-D48NB-C Datasheet - Page 11

• Manufacturer Part Number: UCE-3.3/30-D48NB-C
• Description: CONV DC/DC 99W 3.3V 30A
• Manufacturer: Murata Power Solutions Inc
• Series: UCEr
• Type: Isolatedr

Specifications of UCE-3.3/30-D48NB-C

• Number Of Outputs: 1
• Output: 3.3V
• Power (watts): 100W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module, 1/8 Brick
• 1st Output: 3.3 VDC @ 30A
• Size / Dimension: 2.30" L x 0.90" W x 0.37" H (58.4mm x 22.9mm x 9.4mm)
• Power (watts) - Rated: 99W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 91%
• Approvals: CSA, cUL, EN, UL
• Output Power: 99 W
• Input Voltage Range: 36 V to 75 V
• Input Voltage (nominal): 48 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 30 A
• Isolation Voltage: 2.25 KV
• Package / Case Size: Eighth Brick
• Output Voltage: 3.3 V
• Product: Isolated
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 811-1838-5

Trim Equations
Trim Circuits
R
Connect sense to its respective V
Connect trim resistor between
TrimDn
trim pin and −Sense
(k Ω) =
Where,
' = | (V
V
V
Do not exceed the specified trim range or maximum power ratings when adjusting trim.
Use 1% precision resistors mounted close to the converter on short leads.
–INPUT
ON/OFF
CONTROL
+INPUT
–INPUT
ON/OFF
CONTROL
+INPUT
NOM
OUT
Trim Down
is the desired new output voltage.
Figure 6. Trim Connections To Increase Output Voltages
is the nominal, untrimmed output voltage.
NOM
5.11
'
Figure 5. Trim Connections Using A Trimpot
− V
− 10.22
OUT
) / V
+OUTPUT
+OUTPUT
–OUTPUT
–OUTPUT
+SENSE
–SENSE
+SENSE
–SENSE
NOM
OUT
TRIM
TRIM
|
pin if sense is not used with a remote load.
R
TrimUp
R
TRIM UP
(k Ω) =
Connect trim resistor between
5.11 × V
trim pin and +Sense
www.murata-ps.com
1.225 × '
LOAD
LOAD
NOM
Trim Up
× (1+')
− 5.11
'
–INPUT
ON/OFF
CONTROL
+INPUT
Figure 7. Driving the On/Off Control Pin (suggested circuit)
− 10.22
Figure 8. Trim Connections To Decrease Output Voltages
Isolated, High-Density, Eighth-Brick
-INPUT
+OUTPUT
–OUTPUT
CONTROL
ON/OFF
+SENSE
–SENSE
TRIM
Low Profi le DC/DC Converters
21 Feb 2011
R
TRIM DOWN
email: [e-mail]
UCE Series
MDC_UCE.A30 Page 11 of 17
+VCC
LOAD